Ulupalakua, HI Political Map | Democrat & Republican Areas in Ulupalakua

By the BestNeighborhood data science team. Last updated May 2026.

Ulupalakua leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.

 

About 53% of adults in Ulupalakua typically vote, below the U.S. average of about 62%. Among adults in Ulupalakua, ~33% vote Democratic, ~20% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.

How Ulupalakua compares

Among cities within 25 miles, Ulupalakua leans more Democratic than 16 of 21 neighbors.

Politically, Ulupalakua sits close to the rest of Hawaii.

Politics vary noticeably by neighborhood within Ulupalakua. The east side is the most Democratic-leaning (D+36) and the south side is the least Democratic-leaning (D+24), a spread of about 12 points.

Why Ulupalakua leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Ulupalakua, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 40% of adults in Ulupalakua hold a bachelor's degree, about 11 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 34% of adults in Ulupalakua have never been married, above 85% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Ulupalakua, HI sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Ulupalakua looks the way it does

Renters vote less often than owners. About 48% of households in Ulupalakua rent, about 23 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 14% of homes in Ulupalakua have more than one occupant per room, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.

Sources and methodology

Precinct-level voting records used to fit the model come from Hawaii Office of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.

Modeling and analysis by the BestNeighborhood data science team. Some land-use inputs for Hawaii, including walkability and the environmental-justice index, are estimated rather than measured, so the figures here carry added uncertainty. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.